Preschool-located influenza vaccination and influenza-like illness surveillance: an Italian pilot experience.

"Declarations Ethics approval and consent to participateThe study was conducted in accordance with the Declaration of Helsinki and approved by the Ethics Committee of ASST Fatebenefratelli-Sacco (protocol code 0049030/2021, date of approval 17th November 2021). Informed consent was obtained from all subjects involved in the study. Consent for publicationNot applicable. Competing interestsThe authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. Competing interests The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest."

"Funding This study was conducted with the unrestricted grant ESR-21-21427 by AstraZeneca."